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  2. Screw theory - Wikipedia

    en.wikipedia.org/wiki/Screw_theory

    Screw theory is the algebraic calculation of pairs of vectors, also known as dual vectors [1] – such as angular and linear velocity, or forces and moments – that arise in the kinematics and dynamics of rigid bodies.

  3. Screw axis - Wikipedia

    en.wikipedia.org/wiki/Screw_axis

    A screw axis is associated with each pair of vectors in the algebra of screws, also known as screw theory. [3] The spatial movement of a body can be represented by a continuous set of displacements. Because each of these displacements has a screw axis, the movement has an associated ruled surface known as a screw surface.

  4. Screw mechanism - Wikipedia

    en.wikipedia.org/wiki/Screw_mechanism

    The screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) ... The complete dynamic theory of simple machines, ...

  5. Newton–Euler equations - Wikipedia

    en.wikipedia.org/wiki/Newton–Euler_equations

    The Newton–Euler equations are used as the basis for more complicated "multi-body" formulations (screw theory) that describe the dynamics of systems of rigid bodies connected by joints and other constraints. Multi-body problems can be solved by a variety of numerical algorithms.

  6. Robert Stawell Ball - Wikipedia

    en.wikipedia.org/wiki/Robert_Stawell_Ball

    When Ball and the screw theorists speak of screws they no longer mean actual cylindrical objects with helical threads cut into them but the possible motion of any body whatsoever, including that of the screw independently of the nut. [6] Ball's treatise The Theory of Screws (1876) is now in the public domain. [7]

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  8. Couple Went to Get Their Marriage License, Then Realized They ...

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    A couple may have accidentally gotten married before their wedding. About a month before their nuptials, Sarah Lushan and Dave Kussell arrived at their district courthouse to obtain their marriage ...

  9. Six-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Six-dimensional_space

    In screw theory angular and linear velocity are combined into one six-dimensional object, called a twist. A similar object called a wrench combines forces and torques in six dimensions. These can be treated as six-dimensional vectors that transform linearly when changing frame of reference.